<html>
<body>

    <form method="post">
        Ten   : <input type="text" name="tenca" value="<?php $query['category_id'] ?>" /> <br/>
        Gia ban: <input type="text" name="summary" /> <br/>

        <input type="submit" name="edit" value="Edit"/>
        <input type="submit" name="delete" value="Delete"/>
    </form>
</body>

</html>